Home / 29,138,900.80-43,708,351.20-8,941,518.40

Finding the Fourth Proportional to 29,138,900.80, 43,708,351.20 and 8,941,518.40

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Solution

The fourth proportional to 29,138,900.80, 43,708,351.20 and 8,941,518.40 is: 13,412,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,900.80 : 43,708,351.20 = 8,941,518.40 : x
  2. Step 2: Convert to fraction form
    29,138,900.80/43,708,351.20 = 8,941,518.40/x
  3. Step 3: Cross multiply
    29,138,900.80x = 43,708,351.20 × 8,941,518.40
  4. Step 4: Simplify right side
    29,138,900.80x = 390,819,026,488,462.12
  5. Step 5: Solve for x
    x = 390,819,026,488,462.12/29,138,900.80
  6. Step 6: Final answer
    x = 13,412,277.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.